Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz supplement bottle
Double Wood Supplements

Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz

What We Researched
3 active ingredients analyzed · 6 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
95
Product Score Excellent
76
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic acid) 90 mg 100%
Biotin 30 mcg 100%
Hydrolyzed Bovine Collagen 2500 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as Ascorbic acid) Fair
  • Biotin Good
  • Hydrolyzed Bovine Collagen Good
Other Ingredients Excellent

Fillers & Additives

  • Water
  • Vegetable Glycerin
  • Natural pear flavor
  • Citric Acid
  • Potassium Sorbate
  • Stevia Leaf Extract
Efficacy Excellent

Dosage Analysis

  • Vitamin C (as Ascorbic acid) 90 mg Effective
  • Biotin 30 mcg Effective
  • Hydrolyzed Bovine Collagen 2500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic acid) 90 mg 100%
Biotin 30 mcg 100%
Hydrolyzed Bovine Collagen 2500 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Water Safe

Dissolves and carries water-soluble ingredients.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Natural pear flavor Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Potassium Sorbate Safe

Prevents mold and yeast growth to extend shelf life.

Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $19.95
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Double Wood Supplements

Founded 2013 · Sharon Hill, Pennsylvania, United States · 60 products · doublewoodsupplements.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source

Violation History

2 incidents
Prop 65 Lead2024-07-05Source
Fda Warning Unapproved new drug claims related to hangover prevention.2020-11-10Source
Related Supplements
Frequently Asked Questions
Is Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz a good supplement?

Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 3 active ingredients with 32 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Double Wood Supplements, holds a brand trust score of 76/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz?

Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz contains 3 active ingredients: Vitamin C (as Ascorbic acid) (90 mg), Biotin (30 mcg), Hydrolyzed Bovine Collagen (2500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz safe to take?

Double Wood Supplements Liquid Collagen of Hydrolyzed Bovine Collagen Type 1 & 3, 16 fl oz has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Double Wood Supplements a trustworthy supplement brand?

Double Wood Supplements receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Sharon Hill, Pennsylvania, United States, the company offers 60 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Double Wood Supplements has 2 historical regulatory incidents on record, which are factored into the trust score.

What is collagen?

Collagen is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

What is collagen good for?

Collagen Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do collagen tablets work?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.